package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * @param shoppingCart:
     * @return List<ShoppingCart>
     * @description 条件查询
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * @param shoppingCart:
     * @return void
     * @description 更新商品数量
     */
    @Update("update shopping_cart set number=#{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * @param shoppingCart:
     * @return void
     * @description 插入购物车数据
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * @param userId:
     * @return void
     * @description 清空购物车商品
     */
    @Delete("delete from shopping_cart where user_id=#{userId}")
    void deleteByUserId(Long userId);

    /**
     * @param shoppingCart:
     * @return void
     * @description 删除购物车中一个商品
     */
    @Delete(" delete from shopping_cart where id = #{id}")
    void delete(ShoppingCart shoppingCart);

    /**
     * @param shoppingCartList:
     * @return void
     * @description 向购物查中插入一批数据
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
